Toothbrush head and neck unit



FIG. 1 is a bottom plan view of a toothbush head and neck unit showing our new design;

FIG. 2 is an elevational view of the side thereof;

FIG. 3 is an enlarged top plan view thereof;

FIG. 4 is an enlarged opposite side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is a bottom plan view showing a second embodiment of our new design;

FIG. 9 is an elevational view of the side thereof;

FIG. 10 is an enlarged top plan view thereof;

FIG. 11 is an enlarged opposite side elevational view thereof;

FIG. 12 is a front elevational view thereof;

FIG. 13 is a rear elevational view thereof; and,

FIG. 14 is a perspective view thereof. 

The ornamental design for a toothbrush head and neck unit, as shown and described. 